Explain the role of mouth in digestion of food.
Ans.
Role of mouth in digestion of food
1) Teeth cut the food and increases the surface area of food to absorb enzymes.
2) The salivary glands in mouth secrets saliva which contains an enzyme called salivary amylase which digests the starch present in the food (chemical digestion)
3) Tongue helps in thorough mixing of food with saliva